Friday Harbor Airport Weather Forecast

    • 47
    • 53

    Rain

    • 38
    • 55

    Rain

    • 38
    • 49

    Partly Sunny

    • 38
    • 50

    Slight Chance Rain

    • 41
    • 50

    Rain

    • 41
    • 51

    Rain

Today 19 Mar San Juan County

Rain at Times. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. Southeast wind to 10 Mph. Gusts to 20 Mph in the morning.

Tonight 19 Mar San Juan County

Rain. Rainfall Amounts a quarter to a half inch possible. Lows in the mid 40s to lower 50s. Southeast wind to 10 Mph.

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  • Temperature Real-Time

Friday Harbor Airport Temperature Statistics

March Temperature

Friday Harbor Airport (0 miles)

  • Lowest 10 March, 2026

    30 °F

  • Average March

    43.7 °F

  • Highest 2 March, 2026

    55 °F

Climate (2021–Present)

Friday Harbor Airport (0 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.6 °F
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